code: def test_invalid_runner_tag_not_start_end_with_alphanumeric():
      # Tag must begin and end with an alphanumeric character (`[a-z0-9A-Z]`)
      with pytest.raises(ValueError):
          Runner(DummyRunnable, name="_dummyrunnable")
  
      with pytest.raises(ValueError):
          Runner(DummyRunnable, name="dummyrunnable_")
  
      with pytest.raises(ValueError):
          Runner(DummyRunnable, name="_dummyrunnable_")
  
file_path: BentoML/tests/unit/_internal/runner/test_runner.py
imports: import logging
  import pytest
  import bentoml
  from bentoml._internal.runner import Runner
label_desc: Use image node_id 11 for calling a global function with example usage: test_invalid_runner_tag_not_start_end_with_alphanumeric() without return types